This was the book that my work routinely used to provide to expats learning Chinese. However, it has a slightly old-fashioned vocabulary, and does not provide enough repetition of matter to be suitable for a casual student.
If you intend to seriously review the vocabulary and grammar after each class, and also review the old lessons, then this book might be suitable. (I strongly recommend using an Spaced-Repetition software such as Anki to help with this.) Otherwise, it is likely to be a case of "one word in; one work out".
I went through this book twice, with different teachers (private tuition, with 3 one-hour lessons per week). The first time I was not serious, and forgot almost everything a week after the relevant content. The second time, I entered all of the sentences and vocabulary in Anki, so can maintain it even now, a year later. The book therefore gave me a firm foundation in spoke Chinese, but I think that I could have done as well (or better) with other books.
In particular, I recommend "An easy approach to Chinese" (in 2 volumes) instead of this book.